OK, let's crack this. We're given 322 and our task is to multiply it by 75. Essentially, we'll be adding 322 to itself 75 times.
Step 1: 0 + 322 = 322
Step 2: 322 + 322 = 644
Step 3: 644 + 322 = 966
Step 4: 966 + 322 = 1288
Step 5: 1288 + 322 = 1610
Step 6: 1610 + 322 = 1932
Step 7: 1932 + 322 = 2254
Step 8: 2254 + 322 = 2576
Step 9: 2576 + 322 = 2898
Step 10: 2898 + 322 = 3220
Step 11: 3220 + 322 = 3542
Step 12: 3542 + 322 = 3864
Step 13: 3864 + 322 = 4186
Step 14: 4186 + 322 = 4508
Step 15: 4508 + 322 = 4830
Step 16: 4830 + 322 = 5152
Step 17: 5152 + 322 = 5474
Step 18: 5474 + 322 = 5796
Step 19: 5796 + 322 = 6118
Step 20: 6118 + 322 = 6440
Step 21: 6440 + 322 = 6762
Step 22: 6762 + 322 = 7084
Step 23: 7084 + 322 = 7406
Step 24: 7406 + 322 = 7728
Step 25: 7728 + 322 = 8050
Step 26: 8050 + 322 = 8372
Step 27: 8372 + 322 = 8694
Step 28: 8694 + 322 = 9016
Step 29: 9016 + 322 = 9338
Step 30: 9338 + 322 = 9660
Step 31: 9660 + 322 = 9982
Step 32: 9982 + 322 = 10304
Step 33: 10304 + 322 = 10626
Step 34: 10626 + 322 = 10948
Step 35: 10948 + 322 = 11270
Step 36: 11270 + 322 = 11592
Step 37: 11592 + 322 = 11914
Step 38: 11914 + 322 = 12236
Step 39: 12236 + 322 = 12558
Step 40: 12558 + 322 = 12880
Step 41: 12880 + 322 = 13202
Step 42: 13202 + 322 = 13524
Step 43: 13524 + 322 = 13846
Step 44: 13846 + 322 = 14168
Step 45: 14168 + 322 = 14490
Step 46: 14490 + 322 = 14812
Step 47: 14812 + 322 = 15134
Step 48: 15134 + 322 = 15456
Step 49: 15456 + 322 = 15778
Step 50: 15778 + 322 = 16100
Step 51: 16100 + 322 = 16422
Step 52: 16422 + 322 = 16744
Step 53: 16744 + 322 = 17066
Step 54: 17066 + 322 = 17388
Step 55: 17388 + 322 = 17710
Step 56: 17710 + 322 = 18032
Step 57: 18032 + 322 = 18354
Step 58: 18354 + 322 = 18676
Step 59: 18676 + 322 = 18998
Step 60: 18998 + 322 = 19320
Step 61: 19320 + 322 = 19642
Step 62: 19642 + 322 = 19964
Step 63: 19964 + 322 = 20286
Step 64: 20286 + 322 = 20608
Step 65: 20608 + 322 = 20930
Step 66: 20930 + 322 = 21252
Step 67: 21252 + 322 = 21574
Step 68: 21574 + 322 = 21896
Step 69: 21896 + 322 = 22218
Step 70: 22218 + 322 = 22540
Step 71: 22540 + 322 = 22862
Step 72: 22862 + 322 = 23184
Step 73: 23184 + 322 = 23506
Step 74: 23506 + 322 = 23828
Step 75: 23828 + 322 = 24150

So, 322*75 = 24150